Mercurial > jdk8-mips64-public > jaxws / file comparison
comparison: src/share/jaxws_classes/com/sun/xml/internal/ws/client/AsyncResponseImpl.java
src/share/jaxws_classes/com/sun/xml/internal/ws/client/AsyncResponseImpl.java
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| 1 /* | |
| 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. Oracle designates this | |
| 8 * particular file as subject to the "Classpath" exception as provided | |
| 9 * by Oracle in the LICENSE file that accompanied this code. | |
| 10 * | |
| 11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 * accompanied this code). | |
| 16 * | |
| 17 * You should have received a copy of the GNU General Public License version | |
| 18 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 * | |
| 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 * or visit www.oracle.com if you need additional information or have any | |
| 23 * questions. | |
| 24 */ | |
| 25 | |
| 26 package com.sun.xml.internal.ws.client; | |
| 27 | |
| 28 import com.sun.istack.internal.Nullable; | |
| 29 import com.sun.xml.internal.ws.api.Cancelable; | |
| 30 import com.sun.xml.internal.ws.util.CompletedFuture; | |
| 31 | |
| 32 import javax.xml.ws.AsyncHandler; | |
| 33 import javax.xml.ws.Response; | |
| 34 import javax.xml.ws.WebServiceException; | |
| 35 import java.util.Map; | |
| 36 import java.util.concurrent.FutureTask; | |
| 37 | |
| 38 /** | |
| 39 * {@link Response} implementation. When Runnbale is executed, it just hands the | |
| 40 * request to Fiber and returns. When the Fiber finishes the execution, it sets | |
| 41 * response in the {@link FutureTask} | |
| 42 * | |
| 43 * @author Jitendra Kotamraju | |
| 44 */ | |
| 45 public final class AsyncResponseImpl<T> extends FutureTask<T> implements Response<T>, ResponseContextReceiver { | |
| 46 | |
| 47 /** | |
| 48 * Optional {@link AsyncHandler} that gets invoked | |
| 49 * at the completion of the task. | |
| 50 */ | |
| 51 private final AsyncHandler<T> handler; | |
| 52 private ResponseContext responseContext; | |
| 53 private final Runnable callable; | |
| 54 private Cancelable cancelable; | |
| 55 | |
| 56 /** | |
| 57 * | |
| 58 * @param runnable | |
| 59 * This {@link Runnable} is executed asynchronously. | |
| 60 * @param handler | |
| 61 * Optional {@link AsyncHandler} to invoke at the end | |
| 62 * of the processing. Can be null. | |
| 63 */ | |
| 64 public AsyncResponseImpl(Runnable runnable, @Nullable AsyncHandler<T> handler) { | |
| 65 super(runnable, null); | |
| 66 this.callable = runnable; | |
| 67 this.handler = handler; | |
| 68 } | |
| 69 | |
| 70 @Override | |
| 71 public void run() { | |
| 72 // override so that AsyncInvoker calls set() | |
| 73 // when Fiber calls the callback | |
| 74 try { | |
| 75 callable.run(); | |
| 76 } catch (WebServiceException e) { | |
| 77 //it could be a WebServiceException or a ProtocolException or any RuntimeException | |
| 78 // resulting due to some internal bug. | |
| 79 set(null, e); | |
| 80 } catch (Throwable e) { | |
| 81 //its some other exception resulting from user error, wrap it in | |
| 82 // WebServiceException | |
| 83 set(null, new WebServiceException(e)); | |
| 84 } | |
| 85 } | |
| 86 | |
| 87 | |
| 88 public ResponseContext getContext() { | |
| 89 return responseContext; | |
| 90 } | |
| 91 | |
| 92 public void setResponseContext(ResponseContext rc) { | |
| 93 responseContext = rc; | |
| 94 } | |
| 95 | |
| 96 public void set(final T v, final Throwable t) { | |
| 97 // call the handler before we mark the future as 'done' | |
| 98 if (handler!=null) { | |
| 99 try { | |
| 100 /** | |
| 101 * {@link Response} object passed into the callback. | |
| 102 * We need a separate {@link java.util.concurrent.Future} because we don't want {@link ResponseImpl} | |
| 103 * to be marked as 'done' before the callback finishes execution. | |
| 104 * (That would provide implicit synchronization between the application code | |
| 105 * in the main thread and the callback code, and is compatible with the JAX-RI 2.0 FCS. | |
| 106 */ | |
| 107 class CallbackFuture<T> extends CompletedFuture<T> implements Response<T> { | |
| 108 public CallbackFuture(T v, Throwable t) { | |
| 109 super(v, t); | |
| 110 } | |
| 111 | |
| 112 public Map<String, Object> getContext() { | |
| 113 return AsyncResponseImpl.this.getContext(); | |
| 114 } | |
| 115 } | |
| 116 handler.handleResponse(new CallbackFuture<T>(v, t)); | |
| 117 } catch (Throwable e) { | |
| 118 super.setException(e); | |
| 119 return; | |
| 120 } | |
| 121 } | |
| 122 if (t != null) { | |
| 123 super.setException(t); | |
| 124 } else { | |
| 125 super.set(v); | |
| 126 } | |
| 127 } | |
| 128 | |
| 129 public void setCancelable(Cancelable cancelable) { | |
| 130 this.cancelable = cancelable; | |
| 131 } | |
| 132 | |
| 133 public boolean cancel(boolean mayInterruptIfRunning) { | |
| 134 if (cancelable != null) | |
| 135 cancelable.cancel(mayInterruptIfRunning); | |
| 136 return super.cancel(mayInterruptIfRunning); | |
| 137 } | |
| 138 } |
